This document specifies the marking, dimensions, load ratings and reference speeds for code-designated agricultural tractor drive-wheel tyres with service description (load index and speed symbol).It applies to tyres of radial construction in the speed categories 40 km/h (speed symbol A8), and 50 km/h (speed symbol B).NOTE Code designated series of:— diagonal (ply rating marked) tyres for agricultural tractors and machines are specified in ISO 4251‑1 and ISO 4251‑2;— tyres for logging and forestry machines are specified in ISO 18807[1];— tyres for construction/industrial tractors are specified in ISO 13442.[1] To be published.
This document specifies the marking, dimensions, load ratings and reference speeds for code-designated agricultural tractor drive-wheel tyres with service description (load index and speed symbol).
It applies to tyres of radial construction in the speed categories 40 km/h (speed symbol A8), and 50 km/h (speed symbol B).
NOTE Code designated series of:
— diagonal (ply rating marked) tyres for agricultural tractors and machines are specified in ISO 4251‑1 and ISO 4251‑2;
— tyres for logging and forestry machines are specified in ISO 18807[1];
— tyres for construction/industrial tractors are specified in ISO 13442.
[1] To be published.
Le présent document prescrit le marquage, les dimensions, les capacités de charge et les vitesses de référence des pneumatiques de la série existante pour roues motrices de tracteurs agricoles, marqués de leur description d'utilisation (indice de charge et code de vitesse). Il est applicable aux pneumatiques à structure radiale, pour les catégories de vitesse 30 km/h (code de vitesse A6), 40 km/h (code de vitesse A8) et 50 km/h (code de vitesse B).
Le présent document prescrit le marquage, les dimensions, les capacités de charge et les vitesses de référence des pneumatiques de la série existante pour roues motrices de tracteurs agricoles, marqués de leur description d'utilisation (indice de charge et code de vitesse). Il est applicable aux pneumatiques à structure radiale, pour les catégories de vitesse 30 km/h (code de vitesse A6), 40 km/h (code de vitesse A8) et 50 km/h (code de vitesse B).
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